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Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30£ square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
A Grammar Shcool Arithmetic - Page 174
by George Albert Wentworth - 1886 - 372 pages

Robinson's Progressive Practical Arithmetic: Containing the Theory of ...

Horatio Nelson Robinson, Daniel W. Fish - Arithmetic - 1877 - 374 pages
...surfaces ; as of land, boards, painting, plastering, paving, etc. TABLE. 144 Square Inches (sq. in.) make 1 Square Foot sq. ft. 9 Square Feet " 1 Square Yard sq. yd. 80} Square Yards " 1 Square Rod sq. rd. 160 Square Hods " 1 Acre A. 640 Acres " 1 Square Mile sq. mi....

Manual of Intellectual Arithmetic: An Independent Treatise Upon the Basis of ...

Benjamin Greenleaf - Arithmetic - 1877 - 164 pages
...Surface or Square Measures are those used in estimating surfaces. TABLE. 144 square inches (sq. in.) are 1 square foot, sq. ft. 9 square feet, 1 square yard sq. yd. 30J square yards, 1 square rod, sq. rd. 160 square rods, 1 acre, A. 640 square acres, 1 square mile,...

An Elementary Arithmetic

Daniel Bernard Hagar - Arithmetic - 1877 - 236 pages
...foot, a square yard, a square rod, an acre and a square mile. TABLE. 144 square inches (sq. in.) are 1 square foot< . . . sq. ft. 9 square feet ' ' 1 square yard . sq. yrL. 30^ square yards " 1 sq. rod or perch. . I 160 sq. rods or perches " 1 acre A 640 acres " 1 square...

An Intellectual Arithmetic Upon the Inductive Method

James Stewart Eaton - Arithmetic - 1873 - 184 pages
...MEASURE is used for measuring surfaces. TABLE. 144 Square Inches (sq. in.) make 1 Square Foot, marked sq. ft. 9 Square Feet " 1 Square Yard, " sq. yd. 30} Square Yards, or 1 .110. T> j 272} Square Feet 1 1 Square Eod> " «J- rd40 Square Rods " 1 Rood, " r 4 Roods " 1 Acre,...

Complete Intellectual Arithmetic: Adapted to Classes in Grammar Schools and ...

James Bates Thomson - Arithmetic - 1878 - 180 pages
...? 9 in. ? 6m.? 4 in.? sin.? 87. Square Measure. 144 square in. (sq. in.) are 1 square foot, sq.ft. 9 square feet " 1 square yard, sq. yd. 30^ square yards, or ) (( j 1 square rod, 272^ square feet ) ( perch, or pole, 1 60 square rods " 1 acre, A. 640 acres " 1 square...

Bradbury's Eaton's Practical Arithmetic: Combining Oral and Written Exercises

William Frothingham Bradbury - Arithmetic - 1879 - 392 pages
...inches 1 10. What part of a mile is 40 rods ? 11. How many inches in j of a yard? 234. SQUARE MEASURE. 144 square inches (sq. in.) = 1 square foot (sq. ft.). 9 square feet = 1 square yard (sq. yd.). Щ square yards, or) = l square rod (sq. rd.). 272} square feet ) 1 v ' ; 160 square rods = 1 acre...

Robinson's Progressive Practical Arithmetic: Containing the Theory of ...

Horatio Nelson Robinson, Daniel W. Fish - Arithmetic - 1879 - 374 pages
...surfaces ; as of land, boards, painting, plastering, paving, etc. TABLE. 144 Square Inches (sq. in.) make 1 Square Foot ........ sq. ft. 9 Square Feet " 1 Square Yard ....... sq. yd. 30} Square Yards " 1 Square Rod ....... sq. rd. 160 Square Rods " 1 Acre .................. A. 640 Acres " 1 Square...

New Elementary Arithmetic: Embracing Mental and Written Exercises for ...

Benjamin Greenleaf - Arithmetic - 1879 - 238 pages
...159i Surface or Square Measure is used in measuring surfaces. Table. 144 square inches (sq. in.) are 1 square foot, sq. ft. 9 square feet, 1 square yard, sq. yd. 30J square yards, 1 square rod or perch, P. 160 square rods or perches, 1 acre, A. G40 acres, 1 square...